Re: 127.0.0.0/8 addresses from the network

[Jim Breton <jamesb-debian@alongtheway.com>]

On Fri, Mar 09, 2001 at 08:47:41AM -0400, Peter Cordes wrote:
>  Yes.  It uses rp_filter (this is controlled in /proc/sys/...  Read

Also by:

/etc/ipmasq/rules/I15lospoof.def

if you have the ipmasq package installed:

# deny and log all packets trying to come in from a 127.0.0.0/8 address
# over a non-'lo' interface

[snip]

ipchains)
    $IPCHAINS -A input -j DENY -i !lo -s 127.0.0.1/255.0.0.0 -l
    ;;

Btw, to the original poster: any rules said to apply to "2.1" kernels
also apply to 2.2 kernels... not to worry.

HTH.